Home / 6,784.54-10,178.26-2,104.45

Finding the Fourth Proportional to 6,784.54, 10,178.26 and 2,104.45

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Solution

The fourth proportional to 6,784.54, 10,178.26 and 2,104.45 is: 3,157.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,784.54 : 10,178.26 = 2,104.45 : x
  2. Step 2: Convert to fraction form
    6,784.54/10,178.26 = 2,104.45/x
  3. Step 3: Cross multiply
    6,784.54x = 10,178.26 × 2,104.45
  4. Step 4: Simplify right side
    6,784.54x = 21,419,583.10
  5. Step 5: Solve for x
    x = 21,419,583.10/6,784.54
  6. Step 6: Final answer
    x = 3,157.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.